21975814

素因数分解:

$2^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{4231}}^1$

素因数の和:4300

約数の個数: 24

約数和(自身を含む): 39078288

約数和(自身を除く): 17102474

約数列:

[1, 2, 7, 14, 49, 53, 98, 106, 371, 742, 2597, 4231, 5194, 8462, 29617, 59234, 207319, 224243, 414638, 448486, 1569701, 3139402, 10987907, 21975814]

約数ペア:

[(1, 21975814), (2, 10987907), (7, 3139402), (14, 1569701), (49, 448486), (53, 414638), (98, 224243), (106, 207319), (371, 59234), (742, 29617), (2597, 8462), (4231, 5194)]